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Surveillance
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Online download statistics by month: April 2009 to October 2021

AbstractFullPdf
Apr 2009001
Dec 2009001
Jan 2010001
Jul 2010001
Mar 2011001
Jun 2011001
Nov 2011002
May 2012003
Jul 2012002
Aug 2012001
Oct 2012005
Nov 2012001
Dec 2012008
Jan 2013003
Mar 2013002
Apr 2013001
May 2013002
Jul 2013006
Oct 2013001
Dec 2013001
Jan 2014003
Jun 2014010
Jul 2014020
Sep 2014010
Oct 2014001
Nov 2014010
Dec 2014001
Mar 2015100
Apr 2015002
May 2015001
Jun 2015008
Jul 2015003
Sep 2015005
Oct 2015002
Nov 2015001
Dec 2015001
Jan 2016003
Feb 2016004
Mar 2016006
Apr 2016005
May 2016001
Jun 2016002
Jul 2016001
Oct 2016002
Nov 2016002
Dec 2016001
Jan 2017001
Feb 2017004
Apr 2017001
May 2017001
Jun 2017001
Mar 2018001
May 2018001
Jul 2018001
Aug 2018001
Feb 2019003
Mar 2019004
Apr 2019003
May 2019002
Jun 2019001
Jul 2019002
Aug 2019002
Sep 2019001
Oct 2019002
Nov 2019001
Dec 2019003
Jan 2020003
Feb 2020001
Mar 2020003
Apr 2020002
May 2020004
Jun 2020002
Jul 2020001
Aug 2020002
Sep 2020004
Oct 2020001
Nov 2020002
Dec 2020001
Jan 2021002
Feb 2021004
Mar 2021002
May 2021004
Jul 2021001
Aug 2021003
Sep 2021004
Oct 20210014
Total15195